//destroy_surrounding()

with instance_position(x-16,y,owall){instance_destroy()}
with instance_position(x+16,y,owall){instance_destroy()}
with instance_position(x,y-16,owall){instance_destroy()}
with instance_position(x,y+16,owall){instance_destroy()}
with instance_position(x-16,y-16,owall){instance_destroy()}
with instance_position(x+16,y-16,owall){instance_destroy()}
with instance_position(x+16,y-16,owall){instance_destroy()}
with instance_position(x-16,y+16,owall){instance_destroy()}
